If mass flow is occurring like a garden hose,
(1) It is due to positive hydrostatic pressure
(2) It is due to negative hydrostatic pressure
(3) It is due to concentration gradient
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf mass flow is occurring like suction through a straw
(1) It is due to positive hydrostatic pressure
(2) It is due to negative hydrostatic pressure
(3) It is due to concentration gradient
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe apoplast does not hold true which of the following statements?
(1) System of adjacent cell walls that is continuous throughout the plant
(2) Not continuous path at the place of casparian strips of the endodermis in the roots
(3) Occurs through the intercellular spaces and the walls of the cells
(4) Crosses cell membrane
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyApoplast movement
Find the wrong one.
(1) Dependent on gradient
(2) Water movement is through mass flow
(3) The continuous stream of water gets tension when water is absorbed by root hairs
(4) Mass flow of water occurs due to adhesive and cohesive properties of water
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySymplastic system
Find the wrong one.
(1) System of interconnected protoplasts
(2) Involves path through plasmodesmata
(3) Water has to enter the cells through the cell membrane
(4) Above a potential gradient movement
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySymplastic movement is slower than apoplastic movement
(1) Because it involves cytoplasmic streaming always
(2) Molecule has to enter through the cell membrane
(3) Because it is down the gradient
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMost of the water flow in the roots occur via the………
(1) Apoplast
(2) Symplast
(3) Active transport
(4) Imbibition
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMost of the movement in roots through apoplast is due to
(1) Cortical cells are loosely packed and hence no resistance to water movement
(2) Endodermal cells are loosely packed and hence no resistance to water movement
(3) Pericycle cells are loosely packed and hence no resistance to water movement
(4) Medullary cells are loosely packed and hence no resistance to water movement
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCasparian strip makes
(1) Endodermis impervious
(2) Inner layer of cortex impervious
(3) Outer layer pervious
(4) More than one option is correct
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe movement of water through apoplast stops at the level of ……..And crosses membrane to undergo symplast till xylem cells
(1) Endodermis of root
(2) Starch sheath
(3) Inner layer of cortex
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology